header {
    width: 100vw;
    height: 50px;
    background-color: skyblue;
    text-align: center;
    line-height: 50px;
}

.Captain_Tom {
    width: 100vw;
    height: 50px;
    background-color: aquamarine;
    border-radius: 10px;
    text-align: center;
    line-height: 50px;
}

.hf {
    width: 100vw;
    height: 50px;
    background-color: rgb(245, 187, 111);
    text-align: center;
    line-height: 50px;
}


button {
    width: 200px;
    height: 100px;
    background: pink;
    border: 0 solid #000;
    font-size: 30px;
    color: darkgray;
    margin: 20px;
}

.active {
    background-color: skyblue;

}

footer {
    width: 100vw;
    height: 50px;
    background-color: pink;
    text-align: center;
    line-height: 50px;
}

.add {
    width: 100vw;
    height: 50px;
    background-color: #00aa39;
}